You have to switch hotels, consecutive nights at one location count as a single "stay" whether you check out and back in or not. There is a long thread here about hotels that are near enough to easily switch between, if that helps.
http://www.flyertalk.com/forum/hilto...l-hopping.html
Last edited by djk7; May 5, 2014 at 2:01 pm
Reason: Added link